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Mathematics 17 Online
OpenStudy (aglna):

Please check my work what is the sum 4.2 x 10^5 and 5.3x 10^5 my answer 9.5X 10^10

OpenStudy (triciaal):

no think of 10^5 as a letter example k then you would have 4.2 k + 5.3 k =

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